<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div class="upload">
    <form action="upload" enctype="multipart/form-data" method="post">
        <input type="file" name="file"/>
        <input type="submit" value="上传">
    </form>

</div>

</body>
</html>